Commit | Line | Data |
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a13d1f28 KS |
1 | # |
2 | ||
3 | #include "rcv.h" | |
4 | #include <sys/stat.h> | |
5 | ||
6 | /* | |
7 | * Mail -- a mail program | |
8 | * | |
9 | * More user commands. | |
10 | */ | |
11 | ||
c7db23a4 | 12 | static char *SccsId = "@(#)cmd2.c 2.4 %G%"; |
a13d1f28 KS |
13 | |
14 | /* | |
15 | * If any arguments were given, go to the next applicable argument | |
16 | * following dot, otherwise, go to the next applicable message. | |
17 | * If given as first command with no arguments, print first message. | |
18 | */ | |
19 | ||
20 | next(msgvec) | |
21 | int *msgvec; | |
22 | { | |
23 | register struct message *mp; | |
24 | register int *ip, *ip2; | |
25 | int list[2], mdot; | |
26 | ||
27 | if (*msgvec != NULL) { | |
28 | ||
29 | /* | |
30 | * If some messages were supplied, find the | |
31 | * first applicable one following dot using | |
32 | * wrap around. | |
33 | */ | |
34 | ||
35 | mdot = dot - &message[0] + 1; | |
30629819 KS |
36 | |
37 | /* | |
38 | * Find the first message in the supplied | |
39 | * message list which follows dot. | |
40 | */ | |
41 | ||
a13d1f28 KS |
42 | for (ip = msgvec; *ip != NULL; ip++) |
43 | if (*ip > mdot) | |
44 | break; | |
45 | if (*ip == NULL) | |
46 | ip = msgvec; | |
47 | ip2 = ip; | |
48 | do { | |
a13d1f28 KS |
49 | mp = &message[*ip2 - 1]; |
50 | if ((mp->m_flag & MDELETED) == 0) { | |
51 | dot = mp; | |
52 | goto hitit; | |
53 | } | |
30629819 KS |
54 | if (*ip2 != NULL) |
55 | ip2++; | |
56 | if (*ip2 == NULL) | |
57 | ip2 = msgvec; | |
a13d1f28 KS |
58 | } while (ip2 != ip); |
59 | printf("No messages applicable\n"); | |
60 | return(1); | |
61 | } | |
62 | ||
63 | /* | |
64 | * If this is the first command, select message 1. | |
65 | * Note that this must exist for us to get here at all. | |
66 | */ | |
67 | ||
799afc8f | 68 | if (!sawcom) |
a13d1f28 | 69 | goto hitit; |
a13d1f28 KS |
70 | |
71 | /* | |
72 | * Just find the next good message after dot, no | |
73 | * wraparound. | |
74 | */ | |
75 | ||
76 | for (mp = dot+1; mp < &message[msgCount]; mp++) | |
77 | if ((mp->m_flag & (MDELETED|MSAVED)) == 0) | |
78 | break; | |
79 | if (mp >= &message[msgCount]) { | |
80 | printf("At EOF\n"); | |
81 | return(0); | |
82 | } | |
83 | dot = mp; | |
84 | hitit: | |
85 | /* | |
86 | * Print dot. | |
87 | */ | |
88 | ||
89 | list[0] = dot - &message[0] + 1; | |
90 | list[1] = NULL; | |
91 | return(type(list)); | |
92 | } | |
93 | ||
94 | /* | |
c7db23a4 KS |
95 | * Save a message in a file. Mark the message as saved |
96 | * so we can discard when the user quits. | |
a13d1f28 | 97 | */ |
a13d1f28 KS |
98 | save(str) |
99 | char str[]; | |
100 | { | |
c7db23a4 KS |
101 | |
102 | return(save1(str, 1)); | |
103 | } | |
104 | ||
105 | /* | |
106 | * Copy a message to a file without affected its saved-ness | |
107 | */ | |
108 | copycmd(str) | |
109 | char str[]; | |
110 | { | |
111 | ||
112 | return(save1(str, 0)); | |
113 | } | |
114 | ||
115 | /* | |
116 | * Save/copy the indicated messages at the end of the passed file name. | |
117 | * If mark is true, mark the message "saved." | |
118 | */ | |
119 | save1(str, mark) | |
120 | char str[]; | |
121 | { | |
a13d1f28 KS |
122 | register int *ip, mesg; |
123 | register struct message *mp; | |
c7db23a4 | 124 | char *file, *disp, *cmd; |
a13d1f28 KS |
125 | int f, *msgvec, lc, cc, t; |
126 | FILE *obuf; | |
127 | struct stat statb; | |
128 | ||
c7db23a4 | 129 | cmd = mark ? "save" : "copy"; |
a13d1f28 KS |
130 | msgvec = (int *) salloc((msgCount + 2) * sizeof *msgvec); |
131 | if ((file = snarf(str, &f)) == NOSTR) | |
132 | return(1); | |
133 | if (!f) { | |
134 | *msgvec = first(0, MMNORM); | |
135 | if (*msgvec == NULL) { | |
c7db23a4 | 136 | printf("No messages to %s.\n", cmd); |
a13d1f28 KS |
137 | return(1); |
138 | } | |
139 | msgvec[1] = NULL; | |
140 | } | |
141 | if (f && getmsglist(str, msgvec, 0) < 0) | |
142 | return(1); | |
143 | if ((file = expand(file)) == NOSTR) | |
144 | return(1); | |
145 | printf("\"%s\" ", file); | |
146 | flush(); | |
147 | if (stat(file, &statb) >= 0) | |
148 | disp = "[Appended]"; | |
149 | else | |
150 | disp = "[New file]"; | |
151 | if ((obuf = fopen(file, "a")) == NULL) { | |
152 | perror(NOSTR); | |
153 | return(1); | |
154 | } | |
155 | cc = lc = 0; | |
156 | for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { | |
157 | mesg = *ip; | |
158 | touch(mesg); | |
159 | mp = &message[mesg-1]; | |
160 | if ((t = send(mp, obuf)) < 0) { | |
161 | perror(file); | |
162 | fclose(obuf); | |
163 | return(1); | |
164 | } | |
165 | lc += t; | |
166 | cc += msize(mp); | |
c7db23a4 KS |
167 | if (mark) |
168 | mp->m_flag |= MSAVED; | |
a13d1f28 KS |
169 | } |
170 | fflush(obuf); | |
171 | if (ferror(obuf)) | |
172 | perror(file); | |
173 | fclose(obuf); | |
174 | printf("%s %d/%d\n", disp, lc, cc); | |
175 | return(0); | |
176 | } | |
177 | ||
178 | /* | |
179 | * Write the indicated messages at the end of the passed | |
180 | * file name, minus header and trailing blank line. | |
181 | */ | |
182 | ||
183 | swrite(str) | |
184 | char str[]; | |
185 | { | |
186 | register int *ip, mesg; | |
187 | register struct message *mp; | |
188 | register char *file, *disp; | |
189 | char linebuf[BUFSIZ]; | |
190 | int f, *msgvec, lc, cc, t; | |
191 | FILE *obuf, *mesf; | |
192 | struct stat statb; | |
193 | ||
194 | msgvec = (int *) salloc((msgCount + 2) * sizeof *msgvec); | |
195 | if ((file = snarf(str, &f)) == NOSTR) | |
196 | return(1); | |
197 | if ((file = expand(file)) == NOSTR) | |
198 | return(1); | |
199 | if (!f) { | |
200 | *msgvec = first(0, MMNORM); | |
201 | if (*msgvec == NULL) { | |
202 | printf("No messages to write.\n"); | |
203 | return(1); | |
204 | } | |
205 | msgvec[1] = NULL; | |
206 | } | |
207 | if (f && getmsglist(str, msgvec, 0) < 0) | |
208 | return(1); | |
209 | printf("\"%s\" ", file); | |
210 | flush(); | |
211 | if (stat(file, &statb) >= 0) | |
212 | disp = "[Appended]"; | |
213 | else | |
214 | disp = "[New file]"; | |
215 | if ((obuf = fopen(file, "a")) == NULL) { | |
216 | perror(NOSTR); | |
217 | return(1); | |
218 | } | |
219 | cc = lc = 0; | |
220 | for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { | |
221 | mesg = *ip; | |
222 | touch(mesg); | |
223 | mp = &message[mesg-1]; | |
224 | mesf = setinput(mp); | |
225 | t = mp->m_lines - 2; | |
226 | readline(mesf, linebuf); | |
227 | while (t-- > 0) { | |
228 | fgets(linebuf, BUFSIZ, mesf); | |
229 | fputs(linebuf, obuf); | |
230 | cc += strlen(linebuf); | |
231 | } | |
232 | lc += mp->m_lines - 2; | |
233 | mp->m_flag |= MSAVED; | |
234 | } | |
235 | fflush(obuf); | |
236 | if (ferror(obuf)) | |
237 | perror(file); | |
238 | fclose(obuf); | |
239 | printf("%s %d/%d\n", disp, lc, cc); | |
240 | return(0); | |
241 | } | |
242 | ||
243 | /* | |
244 | * Snarf the file from the end of the command line and | |
245 | * return a pointer to it. If there is no file attached, | |
246 | * just return NOSTR. Put a null in front of the file | |
247 | * name so that the message list processing won't see it, | |
248 | * unless the file name is the only thing on the line, in | |
249 | * which case, return 0 in the reference flag variable. | |
250 | */ | |
251 | ||
252 | char * | |
253 | snarf(linebuf, flag) | |
254 | char linebuf[]; | |
255 | int *flag; | |
256 | { | |
257 | register char *cp; | |
258 | ||
259 | *flag = 1; | |
260 | cp = strlen(linebuf) + linebuf - 1; | |
261 | ||
262 | /* | |
263 | * Strip away trailing blanks. | |
264 | */ | |
265 | ||
266 | while (*cp == ' ' && cp > linebuf) | |
267 | cp--; | |
268 | *++cp = 0; | |
269 | ||
270 | /* | |
271 | * Now search for the beginning of the file name. | |
272 | */ | |
273 | ||
274 | while (cp > linebuf && !any(*cp, "\t ")) | |
275 | cp--; | |
276 | if (*cp == '\0') { | |
277 | printf("No file specified.\n"); | |
278 | return(NOSTR); | |
279 | } | |
280 | if (any(*cp, " \t")) | |
281 | *cp++ = 0; | |
282 | else | |
283 | *flag = 0; | |
284 | return(cp); | |
285 | } | |
286 | ||
287 | /* | |
288 | * Delete messages. | |
289 | */ | |
290 | ||
291 | delete(msgvec) | |
292 | int msgvec[]; | |
293 | { | |
294 | return(delm(msgvec)); | |
295 | } | |
296 | ||
297 | /* | |
298 | * Delete messages, then type the new dot. | |
299 | */ | |
300 | ||
301 | deltype(msgvec) | |
302 | int msgvec[]; | |
303 | { | |
304 | int list[2]; | |
12c002da | 305 | int lastdot; |
a13d1f28 | 306 | |
12c002da | 307 | lastdot = dot - &message[0] + 1; |
a13d1f28 KS |
308 | if (delm(msgvec) >= 0) { |
309 | list[0] = dot - &message[0]; | |
310 | list[0]++; | |
12c002da KS |
311 | if (list[0] > lastdot) { |
312 | touch(list[0]); | |
313 | list[1] = NULL; | |
314 | return(type(list)); | |
315 | } | |
316 | printf("At EOF\n"); | |
317 | return(0); | |
a13d1f28 KS |
318 | } |
319 | else { | |
320 | printf("No more messages\n"); | |
321 | return(0); | |
322 | } | |
323 | } | |
324 | ||
325 | /* | |
326 | * Delete the indicated messages. | |
327 | * Set dot to some nice place afterwards. | |
328 | * Internal interface. | |
329 | */ | |
330 | ||
331 | delm(msgvec) | |
332 | int *msgvec; | |
333 | { | |
334 | register struct message *mp; | |
335 | register *ip, mesg; | |
336 | int last; | |
337 | ||
338 | last = NULL; | |
339 | for (ip = msgvec; *ip != NULL; ip++) { | |
340 | mesg = *ip; | |
341 | touch(mesg); | |
342 | mp = &message[mesg-1]; | |
3c139aaf KS |
343 | mp->m_flag |= MDELETED|MTOUCH; |
344 | mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX); | |
a13d1f28 KS |
345 | last = mesg; |
346 | } | |
347 | if (last != NULL) { | |
348 | dot = &message[last-1]; | |
349 | last = first(0, MDELETED); | |
350 | if (last != NULL) { | |
351 | dot = &message[last-1]; | |
352 | return(0); | |
353 | } | |
354 | else { | |
355 | dot = &message[0]; | |
356 | return(-1); | |
357 | } | |
358 | } | |
359 | ||
360 | /* | |
361 | * Following can't happen -- it keeps lint happy | |
362 | */ | |
363 | ||
364 | return(-1); | |
365 | } | |
366 | ||
367 | /* | |
368 | * Undelete the indicated messages. | |
369 | */ | |
370 | ||
371 | undelete(msgvec) | |
372 | int *msgvec; | |
373 | { | |
374 | register struct message *mp; | |
375 | register *ip, mesg; | |
376 | ||
377 | for (ip = msgvec; ip-msgvec < msgCount; ip++) { | |
378 | mesg = *ip; | |
379 | if (mesg == 0) | |
380 | return; | |
381 | touch(mesg); | |
382 | mp = &message[mesg-1]; | |
383 | dot = mp; | |
384 | mp->m_flag &= ~MDELETED; | |
385 | } | |
386 | } | |
387 | ||
388 | /* | |
389 | * Interactively dump core on "core" | |
390 | */ | |
391 | ||
392 | core() | |
393 | { | |
394 | register int pid; | |
395 | int status; | |
396 | ||
397 | if ((pid = vfork()) == -1) { | |
398 | perror("fork"); | |
399 | return(1); | |
400 | } | |
401 | if (pid == 0) { | |
402 | abort(); | |
403 | _exit(1); | |
404 | } | |
405 | printf("Okie dokie"); | |
406 | fflush(stdout); | |
407 | while (wait(&status) != pid) | |
408 | ; | |
409 | if (status & 0200) | |
410 | printf(" -- Core dumped\n"); | |
411 | else | |
412 | printf("\n"); | |
413 | } | |
47e37b8b KS |
414 | |
415 | /* | |
416 | * Clobber as many bytes of stack as the user requests. | |
417 | */ | |
418 | clobber(argv) | |
419 | char **argv; | |
420 | { | |
421 | register int times; | |
422 | ||
423 | if (argv[0] == 0) | |
424 | times = 1; | |
425 | else | |
426 | times = (atoi(argv[0]) + 511) / 512; | |
427 | clobber1(times); | |
428 | } | |
429 | ||
430 | /* | |
431 | * Clobber the stack. | |
432 | */ | |
433 | clobber1(n) | |
434 | { | |
435 | char buf[512]; | |
436 | register char *cp; | |
437 | ||
438 | if (n <= 0) | |
439 | return; | |
440 | for (cp = buf; cp < &buf[512]; *cp++ = 0xFF) | |
441 | ; | |
442 | clobber1(n - 1); | |
443 | } |